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  • Cubic Plus Association model

    by
    mrbabu
    Published on 05-31-2012 03:42 AM
    1 Comment Comments
    I have been investigating applications of the Cubic Plus Association model,
    there are two variants in Prode Properties,
    one based on Soave Redlich Kwong and another on Peng Robinson,
    these return similar results in VLE tests (mixtures of hydrocarbons+water),
    unfortunately I have a limited number of interaction coefficients for water-hydrocarbons and I am not sure about the real power of these models.
    Prode includes a data regression procedure able to regress VLE/LLE/SLE data points, that could permit to calculate the interaction coefficients but I have not the required experimental VLE data for hydrocarbons/water (of course I do not wish to estimate VLE with the UNIFAC option available in Properties),
    my question is, does anyone have access to Dechema / GPSA experimental VLE data for water/hydrocarbons?
    That would be very useful for all us working in natural gas industry.
    This article was originally published in forum thread: Cubic Plus Association model started by mrbabu View original post
    Comments 1 Comment
    1. carlo.stenali's Avatar
      carlo.stenali - 06-17-2012, 12:57 PM
      mrbabu,
      there are not many sources for water-hydrocarbons,
      in addition to those above mentioned you may try

      [link Point to another website Only the registered members can access]
      it includes Water-C1 and some other hydrocarbons ,
      Paolo

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